Northern brook lamprey side view photo with black background

    Northern Brook Lamprey

    Ichthyomyzon fossor
    Image of a slender madtom

    Slender Madtom

    Noturus exilis

See Also

Photo of a three-toed amphiuma in an aquarium.

Three-Toed Amphiuma

Amphiuma tridactylum
Photo of researcher holding a gilled siren

Western Lesser Siren

Siren intermedia nettingi